CVE-2026-77072

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a stored cross-site scripting vulnerability in the Form node's completion page.

N8N

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a stored cross-site scripting vulnerability in the Form node's completion page. The completion page applied its sandboxing Content-Security-Policy only when respondWith was not set to 'redirect', but responseText was always rendered as raw HTML. An authenticated member could set respondWith to 'redirect' via an expression while keeping responseText populated, causing the completion page to serve unsanitized HTML and script…

20. Aug 2026

Ausgewertete Quellen

• Hinweis
  https://www.vulncheck.com/advisories/n8n-before-stored-xss-via-form-completion-page
• NVD
  CVE-2026-77072
• GitHub
  https://github.com/n8n-io/n8n/security/advisories/GHSA-rmr5-775f-jvm2